/******************************************************************************* * Copyright 2014 See AUTHORS file. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package com.badlogic.ashley.systems; import org.junit.Test; import com.badlogic.ashley.core.Engine; import static org.junit.Assert.*; public class IntervalSystemTest { private static final float deltaTime = 0.1f; private static class IntervalSystemSpy extends IntervalSystem { public int numUpdates; public IntervalSystemSpy () { super(deltaTime * 2.0f); } @Override protected void updateInterval () { ++numUpdates; } } @Test public void intervalSystem () { Engine engine = new Engine(); IntervalSystemSpy intervalSystemSpy = new IntervalSystemSpy(); engine.addSystem(intervalSystemSpy); for (int i = 1; i <= 10; ++i) { engine.update(deltaTime); assertEquals(i / 2, intervalSystemSpy.numUpdates); } } @Test public void testGetInterval () { IntervalSystemSpy intervalSystemSpy = new IntervalSystemSpy(); assertEquals(intervalSystemSpy.getInterval(), deltaTime * 2.0f, 0); } }